✨ 委派者模式

datastructure/src/main/java/org/alis/smallcc/designpatterns/behavior/delegate/CodeEmployee.java

@@ -0,0 +1,14 @@
+package org.alis.smallcc.designpatterns.behavior.delegate;
+
+/**
+ * @author lc
+ * @date 2022/5/9 16:28
+ */
+public class CodeEmployee implements Employee<CodingTask> {
+
+
+    @Override
+    public void doAction(CodingTask task) {
+        System.out.println("码农开始：" + task.getTask());
+    }
+}

datastructure/src/main/java/org/alis/smallcc/designpatterns/behavior/delegate/CodingTask.java

@@ -0,0 +1,14 @@
+package org.alis.smallcc.designpatterns.behavior.delegate;
+
+/**
+ * @author lc
+ * @date 2022/5/9 16:27
+ */
+public class CodingTask implements Task<String> {
+
+
+    @Override
+    public String getTask() {
+        return "实现需求";
+    }
+}

datastructure/src/main/java/org/alis/smallcc/designpatterns/behavior/delegate/Delegate.java

@@ -0,0 +1,30 @@
+package org.alis.smallcc.designpatterns.behavior.delegate;
+
+
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * 委派者
+ *
+ * @author lc
+ * @date 2022/5/9 16:23
+ */
+public class Delegate implements Employee<Task<?>> {
+
+    @SuppressWarnings("rawtypes")
+    private static final Map<Class<?>,Employee> MAP = new HashMap<>();
+
+    static {
+        Employee<TestingTask> testEmployee = new TestEmployee();
+        MAP.put(TestingTask.class,testEmployee);
+        MAP.put(CodingTask.class,new CodeEmployee());
+    }
+
+
+    @Override
+    @SuppressWarnings("unchecked")
+    public void doAction(Task<?> task) {
+        MAP.get(task.getClass()).doAction(task);
+    }
+}

datastructure/src/main/java/org/alis/smallcc/designpatterns/behavior/delegate/Employee.java

@@ -0,0 +1,18 @@
+package org.alis.smallcc.designpatterns.behavior.delegate;
+
+/**
+ * 行为
+ *
+ * @author robin
+ * @date 2022/5/9 16:26
+ */
+public interface Employee<T extends Task<?>> {
+
+    /**
+     * 干活
+     *
+     * @param task 任务
+     */
+    void doAction(T task);
+
+}

datastructure/src/main/java/org/alis/smallcc/designpatterns/behavior/delegate/Main.java

@@ -0,0 +1,16 @@
+package org.alis.smallcc.designpatterns.behavior.delegate;
+
+/**
+ * @author lc
+ * @date 2022/5/9 16:46
+ */
+public class Main {
+    public static void main(String[] args) {
+        Delegate delegate = new Delegate();
+        CodingTask codingTask = new CodingTask();
+        delegate.doAction(codingTask);
+        delegate.doAction(new TestingTask());
+
+
+    }
+}

datastructure/src/main/java/org/alis/smallcc/designpatterns/behavior/delegate/PackageInfo.java

@@ -0,0 +1,10 @@
+package org.alis.smallcc.designpatterns.behavior.delegate;
+
+/**
+ * 委派模式
+ *
+ * @author lc
+ * @date 2022/5/9 16:23
+ */
+public class PackageInfo {
+}

datastructure/src/main/java/org/alis/smallcc/designpatterns/behavior/delegate/Task.java

@@ -0,0 +1,15 @@
+package org.alis.smallcc.designpatterns.behavior.delegate;
+
+/**
+ * @author lc
+ * @date 2022/5/9 16:24
+ */
+public interface Task<T> {
+
+    /**
+     * task 任务
+     *
+     * @return 任务
+     */
+    T getTask();
+}

datastructure/src/main/java/org/alis/smallcc/designpatterns/behavior/delegate/TestEmployee.java

@@ -0,0 +1,13 @@
+package org.alis.smallcc.designpatterns.behavior.delegate;
+
+/**
+ * @author lc
+ * @date 2022/5/9 16:31
+ */
+public class TestEmployee implements Employee<TestingTask>{
+    @Override
+    public void doAction(TestingTask task) {
+        System.out.println("测试："+task.getTask());
+    }
+
+}

datastructure/src/main/java/org/alis/smallcc/designpatterns/behavior/delegate/TestingTask.java

@@ -0,0 +1,12 @@
+package org.alis.smallcc.designpatterns.behavior.delegate;
+
+/**
+ * @author lc
+ * @date 2022/5/9 16:28
+ */
+public class TestingTask implements Task<String> {
+    @Override
+    public String getTask() {
+        return "完成测试";
+    }
+}